<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="utf-8">
    <title>MapVGL</title>
    <meta http-equiv="X-UA-Compatible" content="IE=Edge">
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <style>
        html,
        body {
            width: 100%;
            height: 100%;
            margin: 0;
            padding: 0;
        }
        #map_container {
            width: 100%;
            height: 100%;
            margin: 0;
        }
    </style>
    <script src="//api.map.baidu.com/api?v=1.0&type=webgl&ak=1XjLLEhZhQNUzd93EjU5nOGQ"></script>
    <script src="//mapv.baidu.com/build/mapv.min.js"></script>
    <script src="static/common.js"></script>
    <script src="https://code.bdstatic.com/npm/mapvgl@1.0.0-beta.53/dist/mapvgl.min.js"></script>
</head>
<body>
<div id="map_container"></div>
<script>
    /* global BMapGL */

    /* global mapv */

    /* global mapvgl */

    /* global initMap */

    /* global whiteStyle */

    var map = initMap({
        tile: 50.5,
        heading: 0,
        center: [106.716879,29.044285],
        zoom: 5,
        style: whiteStyle,
        skyColors: [
            // 地面颜色
            'rgba(226, 237, 248, 0)',
            // 天空颜色
            'rgba(186, 211, 252, 1)'
        ]
    });

    var view = new mapvgl.View({
        map: map
    });

    var data = [];
    var citys = [
        '北京', '天津', '上海', '重庆', '石家庄', '太原', '呼和浩特', '哈尔滨', '长春',
        '沈阳', '济南', '南京', '合肥', '杭州', '南昌', '福州', '郑州', '武汉', '长沙',
        '广州', '南宁', '西安', '银川', '兰州', '西宁', '乌鲁木齐', '成都', '贵阳', '昆明', '拉萨', '海口'
    ];

    var randomCount = 50;

    // 构造数据
    while (randomCount--) {
        var cityCenter = mapv.utilCityCenter.getCenterByCityName(citys[parseInt(Math.random() * citys.length, 10)]);
        data.push({
            geometry: {
                type: 'Point',
                coordinates: [cityCenter.lng - 2 + Math.random() * 4, cityCenter.lat - 2 + Math.random() * 4]
            }
        });
    }

    var rippleLayer = new mapvgl.RippleLayer({
        size: 5000,
        scale: 2,
        step: 0.1,
        color: 'rgb(255, 51, 0)'
    });
    view.addLayer(rippleLayer);
    rippleLayer.setData(data);

    setTimeout(() => {
        rippleLayer.setOptions({
            segs: 64,
            size: 1,
            scale: 2,
            step: 0.1,
            unit: 'px',
            color: 'rgb(255, 51, 0)'
        });
    }, 10000);
</script>
</body>
</html>
